UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C6hUYHoqhgRhtTW7M9gGbjdOgiu2qlBWYBQd2NCyyJE=' 
WHERE 
  key_id = 'a64d41e474f8e951b9af5de830f8236d0f919228b1aba379e49269b4dab19b1c' 
  AND (
    token = 'C6hUYHoqhgRhtTW7M9gGbjdOgiu2qlBWYBQd2NCyyJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )